在膀癌中基于M2巨共同表达的基因的新型签名的识别和验证
Xinyu Xu1, Minyu Yan2, Zhiwen Xie1
1Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Translational cancer research
|August 12, 2025
概括
这项研究开发了一种膀癌 (BLCA) 的预后模型,使用两个M2巨相关基因. 该模型准确地预测了患者的结果和瘤突变负担,为新的治疗策略提供了潜力.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 生物信息学是一种生物信息学.
背景情况:
- M2巨细胞透与膀癌 (BLCA) 的预后有关.
- 之前没有任何研究全面分析了BLCA中M2共同表达的基因.
- 需要基于BLCA中M2共同表达基因的预后模型.
研究的目的:
- 开发一种BLCA的预后模型,利用M2共同表达的基因.
- 确定与M2巨细胞透和BLCA预后相关的关键基因.
- 为了验证开发的基因签名的预后能力.
主要方法:
- 在TCGA BLCA数据中使用"cybersort"来确定M2巨细胞透系数.
- 皮尔森相关性确定了与M2巨细胞共同表达的基因.
- 拉索-科克斯分析构建了一个预后基因特征,在GSE13507队列中得到验证.
- 进行了瘤突变负担 (TMB) 和药物敏感性分析.
- 定量实时聚合酶链反应 (qRT-PCR) 验证了基因表达.
主要成果:
- 开发了一种包括两个共同表达的基因的预后特征.
- 签名将患者分为低风险和高风险组.
- 低风险患者显示出明显更好的结果 (P=0.008) 和更高的TMB (P=0.04).
- 高风险组表现出明显的免疫亚型,具有较高的休息CD4记忆T细胞,M0和M2.
结论:
- 基于两个共同表达的基因,成功构建了BLCA的新型预后特征.
- 该签名在TCGA和GSE13507队列中展示了强大的性能和外部验证.
- 这种特征有可能预测BLCA的预后,并指导新的治疗干预措施.
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